<template>
  <div class="icons">
    <swiper :options="swiperOption" v-if="iconList.length">
      <swiper-slide v-for="(page, index) of pages" :key="index">
        <div class="icon"
          v-for="item in page"
          :key="item.id"
        >
          <div class="icon-img">
            <img class="icon-img-content" :src="item.imgUrl" alt="">
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
        <!-- 注释 -->
      </swiper-slide>
    </swiper>
  </div>
</template>
<script>
export default {
  name: 'HomeIcons',
  props: {
    iconList: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false /* 轮播不自动滚动 */
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.iconList.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}

</script>

<style lang="" scoped>
  .icons >>> .swiper-container {
    overflow: hidden;
    height: 0;
    padding-bottom: 50%;
    font-size: .24rem;
    margin-top: .2rem;
  }
  .swiper-wrapper {
    touch-action: none;
  }
  .icon {
    position: relative;
    overflow: hidden;
    float: left;
    width: 25%;
    padding-bottom: 25%;
  }
  .icon-img {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: .44rem;
    box-sizing: border-box;
    padding: .1rem;
  }
  .icon-img-content{
    height: 100%;
    display: block;
    margin: 0 auto;
  }
  /* zhushi */
  .icon-desc{
    text-align: center;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: .44rem;
    line-height: .44rem;
    color:#333;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis
  }
</style>
